2003 Toyota Tundra Service and Repair Manual

4.7 · Trusted by 14,000+ mechanics & DIYers
Regular price $34.99 USD
  • Lightning-Fast Downloads
    Optimized files — even slow connections handle it
  • Instant Search & Navigation
    Jump to any procedure or spec with one click
  • Print One or All Pages
    Bring only the pages you need to the shop
  • Covers Every System & Component
    Every procedure for the 2003 Toyota Tundra
Sample Preview

Unlock the Full Manual

Complete repair procedures
Wiring diagrams & schematics
Torque specifications
Full search & bookmarks
$34.99
Buy 2+ Manuals, Save 20% Discount applied automatically at checkout
20% OFF
Secure Checkout
No Subscriptions
Factory-Grade Data

2003 Toyota Tundra service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications, torque values, and reference data
  • Electrical diagnostics with full wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
  • Diagnostic trouble codes and troubleshooting flow
  • Maintenance schedules and fluid capacities

Trims covered

  • Base, Automatic
  • Base, Standard
  • Limited
  • SR5, 2D Pickup
  • SR5, 4D Pickup Extra Cab, Automatic
  • SR5, 4D Pickup Extra Cab, Standard
  • SR5, 4D Pickup Extra Cab

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Maintenance & Lubrication
  • Specifications
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Diagnostic Trouble Codes
  • Technical Service Bulletins
  • Wiring Diagrams

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Vehicle Safety Data

2003 Toyota Tundra Recalls & Complaints

NHTSA #09V44400018/11/2009Component: STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS

TOYOTA IS RECALLING MODEL YEAR 2000-2003 TUNDRA VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE FOLLOWING STATES: CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, KENTUCKY, MAINE, MARYLAND, MASSAC

Consequence

SEPARATION OF THE SPARE TIRE AND DIMINISHED BRAKE CAPACITY COULD INCREASE THE RISK OF A CRASH.

Remedy

TOYOTA IS ASKING OWNERS OF THE AFFECTED VEHICLES TO REMOVE THE SPARE TIRE FROM UNDER THE VEHICLE UNT

NHTSA #19V74100017/10/2019Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2010-2016 4Runner, 2003-2006 Tundra, 2003-2013 Corolla, 2009-2010 Corolla Matrix, 2004-2005 RAV4, 2002-2007 Sequoia, 2011-2013 Si

Consequence

An inflator explosion may result in sharp metal fragments striking the driver or other occupants res

Remedy

Toyota will notify owners. Depending on the vehicle model, dealers will replace the front driver in

NHTSA #05V22500017/05/2005Component: SUSPENSION:FRONT:CONTROL ARM:LOWER BALL JOINT

ON CERTAIN SPORT UTILITY VEHICLES, DUE TO A MANUFACTURING ISSUE IN THE FRONT SUSPENSION LOWER BALL JOINT, THERE IS A POSSIBILITY THAT THE SURFACE OF THE BALL OF THE JOINT MAY HAVE BEEN SCRATCHED. THE

Consequence

THE LOWER BALL JOINT MAY SEPARATE FROM THE KNUCKLE CAUSING LOSS OF STEERING CONTROL AND A CRASH COUL

Remedy

DEALERS WILL REPLACE THE FRONT SUSPENSION LOWER BALL JOINTS FREE OF CHARGE. THE RECALL BEGAN ON JUL

NHTSA #15V28500013/05/2015Component: AIR BAGS

Toyota Motor Engineering & Manufacturing (Toyota) notified the agency on May 13, 2015 that they are recalling certain model year 2004 Sequoia vehicles manufactured August 18, 2003, to August 19, 2004,

Consequence

In the event of a crash necessitating deployment of the passenger's frontal air bag, the inflator co

Remedy

2003-2004 Corolla and Corolla Matrix vehicles that are recalled under both 15V-043 and 15V-285 are u

NHTSA #15V28600013/05/2015Component: AIR BAGS

Toyota Motor Engineering & Manufacturing (Toyota) notified the agency on May 13, 2015, that they are recalling 2005-2007 Lexus SC, Toyota Corolla, Corolla Matrix, Sequoia, and Pontiac Vibe, and 2005-2

Consequence

In the event of a crash necessitating deployment of the passenger's frontal air bag, the inflator co

Remedy

2003-2004 Corolla and Corolla Matrix vehicles that are recalled under both 15V-043 and 15V-286 are u

NHTSA #18V88300012/12/2018Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2002-2005 Lexus SC and Toyota Sequoia, 2003-2005 Toyota Corolla and Tundra, and 2003-2007 Pontiac Vibe vehicles. These vehicles

Consequence

An inflator explosion may result in sharp metal fragments striking the driver or other occupants res

Remedy

Toyota will notify the Toyota and Lexus owners. General Motors will notify the Pontiac Vibe owners.

NHTSA #09E02500011/05/2009Component: EXTERIOR LIGHTING:HEADLIGHTS

DOPE, INC. IS RECALLING 42,540 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONF

Consequence

DECREASED LIGHTING VISIBILITY MAY RESULT IN A VEHICLE CRASH.

Remedy

DOPE, INC. WILL NOTIFY OWNERS AND OFFER A FULL REFUND FOR THE NONCOMPLIANT COMBINATION LAMPS. THE S

NHTSA #05V25400002/06/2005Component: AIR BAGS:ON-OFF SWITCH ASSEMBLY

CERTAIN PICKUP TRUCKS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, 'CHILD RESTRAINT ANCHORAGE SYSTEMS.' THESE VEHICLES HAVE A MANUAL AIR BAG ON-OFF SWITCH TO

Consequence

THIS STANDARD ESTABLISHES REQUIREMENTS FOR CHILD RESTRAINT ANCHORAGE SYSTEMS TO ENSURE THEIR PROPER

Remedy

DEALERS WILL REMOVE THE MANUAL AIR BAG ON-OFF SWITCH, REPLACE THE OWNER'S MANUAL, AND AFFIX A NEW SU

TSB #11012744

The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicl

TSB #11012743

To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is to shield the disc brake rotor from weather elements and in

TSB #11012742

Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood

TSB #11012735

Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fallout, and rail contamination. Follow the Removal Procedure i

TSB #11012727

Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, welding, etc. This type of contamination can be identified by the

TSB #11007445

The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicl

TSB #11007444

To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is to shield the disc brake rotor from weather elements and in

TSB #11007443

Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood

Showing the 8 most recent of 135 technical service bulletins on file with NHTSA.

20140622Component: AIR BAGSCrash reported2 injured

MY WIFE AND I WERE TRAVELING NORTH ON HWY 49 FROM OAKHURST TO MARIPOSA, CALIFORNIA. THE HIGHWAY SURFACE WAS WET AND SLICK AS WE HAD JUST EXPERIENCED OUR FIRST RAIN OF THE SEASON. OUR TOYOTA TUNDRA T

20190422Component: AIR BAGSCrash reported1 injured

TAKATA RECALL, I WAS INVOLVED IN A COLLISION WITH MY TOYOTA TUNDRA WHEN A NISSAN ALTIMA FAILED TO STOP FOR A STOP SIGN. AT WITCH POINT MY AIR BAGS DID NOT GO OFF. THE TRUCK IS TOTALED AND SO WAS THE N

20190422Component: STRUCTURE:BODYCrash reported1 injured

TAKATA RECALL, I WAS INVOLVED IN A COLLISION WITH MY TOYOTA TUNDRA WHEN A NISSAN ALTIMA FAILED TO STOP FOR A STOP SIGN. AT WITCH POINT MY AIR BAGS DID NOT GO OFF. THE TRUCK IS TOTALED AND SO WAS THE N

20190422Component: UNKNOWN OR OTHERCrash reported1 injured

TAKATA RECALL, I WAS INVOLVED IN A COLLISION WITH MY TOYOTA TUNDRA WHEN A NISSAN ALTIMA FAILED TO STOP FOR A STOP SIGN. AT WITCH POINT MY AIR BAGS DID NOT GO OFF. THE TRUCK IS TOTALED AND SO WAS THE N

20141102Component: STRUCTURE:BODYCrash reported1 injured

TRAVELING ON HWY 11. 4 CARS AHEAD SUDDENLY STOP. I HAD 3 CHOICES: HIT THE CAR IN FRONT OF ME. GO INTO ON COMING TRAFFIC, OR HEAD OFF THE SIDE OF THE ROAD INTO THE BAYOU. MISSED THE OPPORTUNITY OF THE

Showing the 5 most serious of 524 complaints filed with NHTSA.

All Model Years

Other Years of the Toyota Tundra

Need a manual for a different year? Browse every Toyota Tundra we cover.

Explore More

More Toyota Models

Browse service and repair manuals for other Toyota models in our catalog.